What is the importance of PIR in technology?
PIR, or Passive Infrared Sensors, are crucial for detecting motion and heat changes, widely used in security systems.
How do PIR sensors work?
PIR sensors detect infrared radiation emitted by objects, like humans, and trigger an alert when motion is detected.
What are some common applications of PIR sensors?
Common applications include security alarms, automatic lighting systems, and energy-saving devices in buildings.
Are there any limitations to PIR sensors?
Yes, PIR sensors can be affected by environmental factors like temperature changes and may not detect motion through obstacles.
How can I improve the effectiveness of a PIR sensor?
To improve effectiveness, ensure proper placement, avoid obstructions, and consider using multiple sensors for larger areas.
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